Hole Enlargement

Halliburton’s customer in Malaysia planned to drill a long directional
hole in 8½ x 9¼ in. well sections simultaneously across depleted
formation pressure in the field, but this posed the challenges of
equivalent circulating density (ECD) management, hole cleaning, and
hole quality.

In the deepwater wells of Mexico, a major customer was facing new challenges that required innovative reaming
solutions, rather than conventional BHAs that include a combination of mechanical and hydraulic reamers.